Base | Representation |
---|---|
bin | 111000111110000101… |
… | …0001100011001011011 |
3 | 102200210020022012121211 |
4 | 1301330022030121123 |
5 | 4001024041200131 |
6 | 132111520243551 |
7 | 11560515646342 |
oct | 1617412143133 |
9 | 380706265554 |
10 | 122342131291 |
11 | 47980a42016 |
12 | 1b8641705b7 |
13 | b6c94c1183 |
14 | 5cc8420b59 |
15 | 32b08ea5b1 |
hex | 1c7c28c65b |
122342131291 has 2 divisors, whose sum is σ = 122342131292. Its totient is φ = 122342131290.
The previous prime is 122342131211. The next prime is 122342131313. The reversal of 122342131291 is 192131243221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122342131291 is a prime.
It is not a weakly prime, because it can be changed into another prime (122342131211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171065645 + 61171065646.
It is an arithmetic number, because the mean of its divisors is an integer number (61171065646).
Almost surely, 2122342131291 is an apocalyptic number.
122342131291 is a deficient number, since it is larger than the sum of its proper divisors (1).
122342131291 is an equidigital number, since it uses as much as digits as its factorization.
122342131291 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5184, while the sum is 31.
The spelling of 122342131291 in words is "one hundred twenty-two billion, three hundred forty-two million, one hundred thirty-one thousand, two hundred ninety-one".
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